7453663548 has 24 divisors (see below), whose sum is σ = 17502662352. Its totient is φ = 2468728704.

The previous prime is 7453663543. The next prime is 7453663571. The reversal of 7453663548 is 8453663547.

It is a self number, because there is not a number n which added to its sum of digits gives 7453663548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7453663541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976265 + ... + 1980032.

It is an arithmetic number, because the mean of its divisors is an integer number (729277598).

Almost surely, 2^7453663548 is an apocalyptic number.

It is an amenable number.

7453663548 is an abundant number, since it is smaller than the sum of its proper divisors (10048998804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7453663548 is a wasteful number, since it uses less digits than its factorization.

7453663548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956461 (or 3956459 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The square root of 7453663548 is about 86334.6022635189. The cubic root of 7453663548 is about 1953.3943552272.

Subtracting 7453663548 from its reverse (8453663547), we obtain a palindrome (999999999).

The spelling of 7453663548 in words is "seven billion, four hundred fifty-three million, six hundred sixty-three thousand, five hundred forty-eight".